If you have forgotten the password and cannot use the Android Device Manager or Findmymobile.samsung.com, then a factory reset would be required in order to get into the phone. Additionally, the phone will ask for either your Google or Samsung account information in order to re-access your phone once the reset has been completed. Here are some steps if you need them: https://www.verizon.com/support/knowledge-base-229899/#:~:text=Ensure%20the%20device%20is%20powered,select%20Wipe%20data%2Ffactory%20reset. ... View more